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Children's Books of 1990 (Library of Congress)

Why should you be a friend to trees?

Trees are a valuable natural resource. People depend on trees for food, and animals depend on trees for food and shelter. But most important, we depend on trees because they add oxygen, a gas we all need, to the air. While trees give us many wonderful products, we must also protect them because we can't live without them.

Female frogs lay eggs in the water, but what hatches isn't a frog yet--it's a tadpole This classic Level 1 Let's-Read-and-Find-Out picture book shows the incredible metamorphosis that occurs as a tadpole loses its fishy tail and gills and becomes a frog.

Now rebranded with a new cover look, this book includes a find out more section with an illustrated guide to identify different frog species and a map showing where bull frogs can be found throughout the United States. Both text and artwork were vetted for accuracy by Dr. Edmund Stiles, formerly professor of Biological Science at...

What do you and a tuna have in common? You are both part of a food chain that begins with green things and ends with you Can you get energy from sunlight? Why is every link in a food chain important? Read and find out more about food chains

Now rebranded with a new cover look, this book features content-rich vocabulary in simple, engaging text by Patricia Lauber, fascinating diagrams, and beautifully detailed illustrations by Holly Keller. Both text and artwork were vetted for accuracy.

This is a Level 2 Let's-Read-and-Find-Out Science title, which means the book explores...

Night and day, whether you're asleep or awake, your heart is always beating. Read and find out how your heart works and how to keep it healthy.

You can't breathe underwater, but a fish can. You can't eat underwater, but a fish does it every day. Named a Best Children's Science Book of the Year by Science Books & Films, this Level 1 Let's-Read-and-Find-Out picture book explains how a fish's body is perfectly designed for life in water.

Now rebranded with a new cover look, this classic picture book features graceful text that invites young readers to imagine what it's like to have gills, fins, and scales. Simple, fun diagrams help explain concepts like how fish use their gills to breathe underwater. This book also includes an...

Snow is falling. Snow is wonderful - for sledding, for skiing, and for building snowmen. But did you know that snow can actually keep things warm? Find out how snow helpf plants, animals, and people to survive. But when a blizzard blows, watch out The snow that is so useful can be dangerous too.

Franklyn M. Branley and Holly Keller team up for a fun and colorful exploration of the world of snow, including experiments and activities for cold winter days. A Let's Read and Find Out Science book, for Stage 1.